./Ultimate.py --spec /storage/repos/svcomp/c/properties/valid-memcleanup.prp --file /storage/repos/svcomp/c/list-properties/splice_false-unreach-call_false-valid-memcleanup.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) Using default analysis Version 0ed9222f Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerMemDerefMemtrack.xml -i /storage/repos/svcomp/c/list-properties/splice_false-unreach-call_false-valid-memcleanup.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 3c9bb1d53c2739069062f850cb8bf82140406b77 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-memtrack) --- Real Ultimate output --- This is Ultimate 0.1.24-0ed9222-m [2019-01-14 00:54:22,825 INFO L170 SettingsManager]: Resetting all preferences to default values... [2019-01-14 00:54:22,830 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2019-01-14 00:54:22,845 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-01-14 00:54:22,845 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-01-14 00:54:22,846 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-01-14 00:54:22,848 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-01-14 00:54:22,850 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2019-01-14 00:54:22,852 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-01-14 00:54:22,853 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-01-14 00:54:22,854 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-01-14 00:54:22,854 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-01-14 00:54:22,855 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-01-14 00:54:22,856 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-01-14 00:54:22,858 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-01-14 00:54:22,859 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-01-14 00:54:22,859 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-01-14 00:54:22,862 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-01-14 00:54:22,864 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2019-01-14 00:54:22,865 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-01-14 00:54:22,866 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-01-14 00:54:22,868 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-01-14 00:54:22,871 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-01-14 00:54:22,871 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-01-14 00:54:22,871 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-01-14 00:54:22,872 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-01-14 00:54:22,874 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-01-14 00:54:22,875 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-01-14 00:54:22,875 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2019-01-14 00:54:22,877 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-01-14 00:54:22,877 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2019-01-14 00:54:22,878 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-01-14 00:54:22,878 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-01-14 00:54:22,878 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2019-01-14 00:54:22,880 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2019-01-14 00:54:22,880 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2019-01-14 00:54:22,881 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-MemCleanup-32bit-Automizer_Default.epf [2019-01-14 00:54:22,909 INFO L110 SettingsManager]: Loading preferences was successful [2019-01-14 00:54:22,909 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2019-01-14 00:54:22,910 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-01-14 00:54:22,910 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2019-01-14 00:54:22,911 INFO L133 SettingsManager]: * Use SBE=true [2019-01-14 00:54:22,911 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-01-14 00:54:22,911 INFO L133 SettingsManager]: * sizeof long=4 [2019-01-14 00:54:22,911 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-01-14 00:54:22,911 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2019-01-14 00:54:22,911 INFO L133 SettingsManager]: * sizeof POINTER=4 [2019-01-14 00:54:22,912 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2019-01-14 00:54:22,914 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-01-14 00:54:22,914 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2019-01-14 00:54:22,914 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-01-14 00:54:22,914 INFO L133 SettingsManager]: * sizeof long double=12 [2019-01-14 00:54:22,914 INFO L133 SettingsManager]: * Use constant arrays=true [2019-01-14 00:54:22,916 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-01-14 00:54:22,917 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-01-14 00:54:22,917 INFO L133 SettingsManager]: * To the following directory=./dump/ [2019-01-14 00:54:22,917 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2019-01-14 00:54:22,917 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 00:54:22,917 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-01-14 00:54:22,918 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-01-14 00:54:22,918 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2019-01-14 00:54:22,918 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-01-14 00:54:22,918 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-memcleanup) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c9bb1d53c2739069062f850cb8bf82140406b77 [2019-01-14 00:54:22,974 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-01-14 00:54:22,989 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-01-14 00:54:22,992 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-01-14 00:54:22,993 INFO L271 PluginConnector]: Initializing CDTParser... [2019-01-14 00:54:22,994 INFO L276 PluginConnector]: CDTParser initialized [2019-01-14 00:54:22,994 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/list-properties/splice_false-unreach-call_false-valid-memcleanup.i [2019-01-14 00:54:23,049 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c759bc8af/0aa1302945644ede9242a755c472e4e2/FLAG25d328202 [2019-01-14 00:54:23,504 INFO L307 CDTParser]: Found 1 translation units. [2019-01-14 00:54:23,504 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/list-properties/splice_false-unreach-call_false-valid-memcleanup.i [2019-01-14 00:54:23,519 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c759bc8af/0aa1302945644ede9242a755c472e4e2/FLAG25d328202 [2019-01-14 00:54:23,844 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c759bc8af/0aa1302945644ede9242a755c472e4e2 [2019-01-14 00:54:23,847 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-01-14 00:54:23,848 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-01-14 00:54:23,849 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-01-14 00:54:23,849 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-01-14 00:54:23,853 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2019-01-14 00:54:23,854 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 12:54:23" (1/1) ... [2019-01-14 00:54:23,857 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79c1a538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 12:54:23, skipping insertion in model container [2019-01-14 00:54:23,858 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.01 12:54:23" (1/1) ... [2019-01-14 00:54:23,866 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-01-14 00:54:23,931 INFO L176 MainTranslator]: Built tables and reachable declarations [2019-01-14 00:54:24,318 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 00:54:24,335 INFO L191 MainTranslator]: Completed pre-run [2019-01-14 00:54:24,413 INFO L208 PostProcessor]: Analyzing one entry point: main [2019-01-14 00:54:24,479 INFO L195 MainTranslator]: Completed translation [2019-01-14 00:54:24,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 12:54:24 WrapperNode [2019-01-14 00:54:24,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-01-14 00:54:24,481 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-01-14 00:54:24,481 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-01-14 00:54:24,481 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2019-01-14 00:54:24,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 12:54:24" (1/1) ... [2019-01-14 00:54:24,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 12:54:24" (1/1) ... [2019-01-14 00:54:24,594 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 12:54:24" (1/1) ... [2019-01-14 00:54:24,595 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 12:54:24" (1/1) ... [2019-01-14 00:54:24,610 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 12:54:24" (1/1) ... [2019-01-14 00:54:24,620 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 12:54:24" (1/1) ... [2019-01-14 00:54:24,624 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 12:54:24" (1/1) ... [2019-01-14 00:54:24,630 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-01-14 00:54:24,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-01-14 00:54:24,631 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-01-14 00:54:24,631 INFO L276 PluginConnector]: RCFGBuilder initialized [2019-01-14 00:54:24,632 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 12:54:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-01-14 00:54:24,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-01-14 00:54:24,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-01-14 00:54:24,702 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2019-01-14 00:54:24,702 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-01-14 00:54:24,703 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-01-14 00:54:24,703 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-01-14 00:54:24,703 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-01-14 00:54:24,703 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-01-14 00:54:24,703 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-01-14 00:54:24,706 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-01-14 00:54:24,706 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-01-14 00:54:24,706 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-01-14 00:54:24,706 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-01-14 00:54:24,707 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-01-14 00:54:24,707 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-01-14 00:54:24,708 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-01-14 00:54:24,708 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-01-14 00:54:24,708 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-01-14 00:54:24,709 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-01-14 00:54:24,710 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-01-14 00:54:24,710 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-01-14 00:54:24,710 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-01-14 00:54:24,710 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-01-14 00:54:24,711 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-01-14 00:54:24,712 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-01-14 00:54:24,712 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-01-14 00:54:24,712 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-01-14 00:54:24,712 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-01-14 00:54:24,713 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-01-14 00:54:24,713 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-01-14 00:54:24,713 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-01-14 00:54:24,713 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-01-14 00:54:24,713 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-01-14 00:54:24,713 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-01-14 00:54:24,713 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-01-14 00:54:24,713 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-01-14 00:54:24,714 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-01-14 00:54:24,714 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-01-14 00:54:24,714 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-01-14 00:54:24,714 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-01-14 00:54:24,714 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-01-14 00:54:24,714 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-01-14 00:54:24,714 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-01-14 00:54:24,714 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-01-14 00:54:24,715 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-01-14 00:54:24,717 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-01-14 00:54:24,717 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-01-14 00:54:24,717 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-01-14 00:54:24,717 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-01-14 00:54:24,717 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-01-14 00:54:24,717 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-01-14 00:54:24,718 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-01-14 00:54:24,718 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-01-14 00:54:24,719 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-01-14 00:54:24,719 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-01-14 00:54:24,719 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-01-14 00:54:24,719 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-01-14 00:54:24,719 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-01-14 00:54:24,719 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-01-14 00:54:24,720 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-01-14 00:54:24,721 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2019-01-14 00:54:24,721 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-01-14 00:54:24,721 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-01-14 00:54:24,721 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-01-14 00:54:24,721 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-01-14 00:54:24,722 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-01-14 00:54:24,722 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-01-14 00:54:24,722 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-01-14 00:54:24,722 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-01-14 00:54:24,722 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-01-14 00:54:24,723 INFO L130 BoogieDeclarations]: Found specification of procedure __secure_getenv [2019-01-14 00:54:24,724 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-01-14 00:54:24,724 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-01-14 00:54:24,724 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-01-14 00:54:24,724 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-01-14 00:54:24,724 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-01-14 00:54:24,725 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-01-14 00:54:24,725 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-01-14 00:54:24,725 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-01-14 00:54:24,726 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-01-14 00:54:24,726 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-01-14 00:54:24,726 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-01-14 00:54:24,726 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-01-14 00:54:24,726 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-01-14 00:54:24,726 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-01-14 00:54:24,727 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-01-14 00:54:24,727 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-01-14 00:54:24,727 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-01-14 00:54:24,727 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-01-14 00:54:24,727 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-01-14 00:54:24,727 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-01-14 00:54:24,727 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-01-14 00:54:24,728 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-01-14 00:54:24,730 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-01-14 00:54:24,730 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-01-14 00:54:24,730 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-01-14 00:54:24,731 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-01-14 00:54:24,731 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-01-14 00:54:24,731 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-01-14 00:54:24,731 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-01-14 00:54:24,732 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-01-14 00:54:24,732 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-01-14 00:54:24,732 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-01-14 00:54:24,732 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-01-14 00:54:24,732 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-01-14 00:54:24,732 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-01-14 00:54:24,732 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-01-14 00:54:24,732 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2019-01-14 00:54:24,732 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-01-14 00:54:24,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-01-14 00:54:24,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-01-14 00:54:24,733 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-01-14 00:54:24,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-01-14 00:54:24,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-01-14 00:54:24,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-01-14 00:54:24,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-01-14 00:54:24,733 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-01-14 00:54:25,119 INFO L695 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2019-01-14 00:54:25,787 INFO L281 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-01-14 00:54:25,787 INFO L286 CfgBuilder]: Removed 4 assue(true) statements. [2019-01-14 00:54:25,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 12:54:25 BoogieIcfgContainer [2019-01-14 00:54:25,789 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-01-14 00:54:25,790 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-01-14 00:54:25,790 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-01-14 00:54:25,794 INFO L276 PluginConnector]: TraceAbstraction initialized [2019-01-14 00:54:25,794 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.01 12:54:23" (1/3) ... [2019-01-14 00:54:25,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b04726f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 12:54:25, skipping insertion in model container [2019-01-14 00:54:25,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.01 12:54:24" (2/3) ... [2019-01-14 00:54:25,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b04726f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.01 12:54:25, skipping insertion in model container [2019-01-14 00:54:25,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 12:54:25" (3/3) ... [2019-01-14 00:54:25,798 INFO L112 eAbstractionObserver]: Analyzing ICFG splice_false-unreach-call_false-valid-memcleanup.i [2019-01-14 00:54:25,808 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-01-14 00:54:25,817 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 29 error locations. [2019-01-14 00:54:25,834 INFO L257 AbstractCegarLoop]: Starting to check reachability of 29 error locations. [2019-01-14 00:54:25,859 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2019-01-14 00:54:25,860 INFO L382 AbstractCegarLoop]: Interprodecural is true [2019-01-14 00:54:25,860 INFO L383 AbstractCegarLoop]: Hoare is false [2019-01-14 00:54:25,861 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-01-14 00:54:25,862 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-01-14 00:54:25,862 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-01-14 00:54:25,862 INFO L387 AbstractCegarLoop]: Difference is false [2019-01-14 00:54:25,862 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-01-14 00:54:25,862 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-01-14 00:54:25,887 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states. [2019-01-14 00:54:25,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-01-14 00:54:25,898 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 00:54:25,899 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 00:54:25,901 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr28ENSURES_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION]=== [2019-01-14 00:54:25,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 00:54:25,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1188482441, now seen corresponding path program 1 times [2019-01-14 00:54:25,912 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 00:54:25,912 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 00:54:25,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 00:54:25,959 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 00:54:25,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 00:54:26,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 00:54:26,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 00:54:26,045 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 00:54:26,045 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-01-14 00:54:26,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-01-14 00:54:26,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-01-14 00:54:26,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-14 00:54:26,062 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 2 states. [2019-01-14 00:54:26,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 00:54:26,082 INFO L93 Difference]: Finished difference Result 83 states and 92 transitions. [2019-01-14 00:54:26,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-01-14 00:54:26,084 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 10 [2019-01-14 00:54:26,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 00:54:26,092 INFO L225 Difference]: With dead ends: 83 [2019-01-14 00:54:26,093 INFO L226 Difference]: Without dead ends: 75 [2019-01-14 00:54:26,095 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-01-14 00:54:26,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2019-01-14 00:54:26,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2019-01-14 00:54:26,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-01-14 00:54:26,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 81 transitions. [2019-01-14 00:54:26,138 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 81 transitions. Word has length 10 [2019-01-14 00:54:26,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 00:54:26,138 INFO L480 AbstractCegarLoop]: Abstraction has 75 states and 81 transitions. [2019-01-14 00:54:26,138 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-01-14 00:54:26,138 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 81 transitions. [2019-01-14 00:54:26,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-01-14 00:54:26,139 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 00:54:26,139 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 00:54:26,140 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr28ENSURES_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION]=== [2019-01-14 00:54:26,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 00:54:26,141 INFO L82 PathProgramCache]: Analyzing trace with hash -1811785646, now seen corresponding path program 1 times [2019-01-14 00:54:26,141 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 00:54:26,141 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 00:54:26,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 00:54:26,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 00:54:26,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 00:54:26,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 00:54:26,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 00:54:26,303 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 00:54:26,303 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-14 00:54:26,305 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-14 00:54:26,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-14 00:54:26,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-14 00:54:26,306 INFO L87 Difference]: Start difference. First operand 75 states and 81 transitions. Second operand 4 states. [2019-01-14 00:54:26,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 00:54:26,675 INFO L93 Difference]: Finished difference Result 82 states and 89 transitions. [2019-01-14 00:54:26,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-14 00:54:26,676 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-01-14 00:54:26,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 00:54:26,678 INFO L225 Difference]: With dead ends: 82 [2019-01-14 00:54:26,679 INFO L226 Difference]: Without dead ends: 82 [2019-01-14 00:54:26,680 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-14 00:54:26,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2019-01-14 00:54:26,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 76. [2019-01-14 00:54:26,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2019-01-14 00:54:26,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 88 transitions. [2019-01-14 00:54:26,691 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 88 transitions. Word has length 11 [2019-01-14 00:54:26,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 00:54:26,692 INFO L480 AbstractCegarLoop]: Abstraction has 76 states and 88 transitions. [2019-01-14 00:54:26,692 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-14 00:54:26,692 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 88 transitions. [2019-01-14 00:54:26,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-01-14 00:54:26,692 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 00:54:26,693 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 00:54:26,693 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr28ENSURES_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION]=== [2019-01-14 00:54:26,693 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 00:54:26,693 INFO L82 PathProgramCache]: Analyzing trace with hash -1811785645, now seen corresponding path program 1 times [2019-01-14 00:54:26,694 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 00:54:26,696 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 00:54:26,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 00:54:26,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 00:54:26,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 00:54:26,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-01-14 00:54:26,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-01-14 00:54:26,952 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-01-14 00:54:26,952 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-01-14 00:54:26,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-01-14 00:54:26,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-01-14 00:54:26,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-01-14 00:54:26,954 INFO L87 Difference]: Start difference. First operand 76 states and 88 transitions. Second operand 4 states. [2019-01-14 00:54:27,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-01-14 00:54:27,313 INFO L93 Difference]: Finished difference Result 90 states and 99 transitions. [2019-01-14 00:54:27,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-01-14 00:54:27,314 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-01-14 00:54:27,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-01-14 00:54:27,316 INFO L225 Difference]: With dead ends: 90 [2019-01-14 00:54:27,316 INFO L226 Difference]: Without dead ends: 90 [2019-01-14 00:54:27,317 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-01-14 00:54:27,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2019-01-14 00:54:27,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 83. [2019-01-14 00:54:27,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2019-01-14 00:54:27,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 92 transitions. [2019-01-14 00:54:27,326 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 92 transitions. Word has length 11 [2019-01-14 00:54:27,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-01-14 00:54:27,327 INFO L480 AbstractCegarLoop]: Abstraction has 83 states and 92 transitions. [2019-01-14 00:54:27,327 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-01-14 00:54:27,327 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 92 transitions. [2019-01-14 00:54:27,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-01-14 00:54:27,328 INFO L394 BasicCegarLoop]: Found error trace [2019-01-14 00:54:27,328 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-01-14 00:54:27,328 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr8REQUIRES_VIOLATION, mainErr7REQUIRES_VIOLATION, mainErr11REQUIRES_VIOLATION, mainErr10REQUIRES_VIOLATION, mainErr9REQUIRES_VIOLATION, mainErr3REQUIRES_VIOLATION, mainErr24REQUIRES_VIOLATION, mainErr2REQUIRES_VIOLATION, mainErr23REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, mainErr6REQUIRES_VIOLATION, mainErr27REQUIRES_VIOLATION, mainErr5REQUIRES_VIOLATION, mainErr26REQUIRES_VIOLATION, mainErr4REQUIRES_VIOLATION, mainErr25REQUIRES_VIOLATION, mainErr19REQUIRES_VIOLATION, mainErr18REQUIRES_VIOLATION, mainErr17REQUIRES_VIOLATION, mainErr22REQUIRES_VIOLATION, mainErr21REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, mainErr28ENSURES_VIOLATIONMEMORY_LEAK, mainErr20REQUIRES_VIOLATION, mainErr14REQUIRES_VIOLATION, mainErr13REQUIRES_VIOLATION, mainErr12REQUIRES_VIOLATION, mainErr16REQUIRES_VIOLATION, mainErr15REQUIRES_VIOLATION]=== [2019-01-14 00:54:27,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-01-14 00:54:27,329 INFO L82 PathProgramCache]: Analyzing trace with hash -52140124, now seen corresponding path program 1 times [2019-01-14 00:54:27,329 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-01-14 00:54:27,329 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-01-14 00:54:27,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 00:54:27,331 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-01-14 00:54:27,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-01-14 00:54:27,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 00:54:27,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-01-14 00:54:27,386 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2019-01-14 00:54:27,397 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-01-14 00:54:27,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.01 12:54:27 BoogieIcfgContainer [2019-01-14 00:54:27,412 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-01-14 00:54:27,413 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-01-14 00:54:27,413 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-01-14 00:54:27,413 INFO L276 PluginConnector]: Witness Printer initialized [2019-01-14 00:54:27,413 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.01 12:54:25" (3/4) ... [2019-01-14 00:54:27,416 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2019-01-14 00:54:27,419 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2019-01-14 00:54:27,461 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-01-14 00:54:27,461 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-01-14 00:54:27,462 INFO L168 Benchmark]: Toolchain (without parser) took 3615.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 951.3 MB in the beginning and 1.0 GB in the end (delta: -67.2 MB). Peak memory consumption was 83.2 MB. Max. memory is 11.5 GB. [2019-01-14 00:54:27,466 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 00:54:27,467 INFO L168 Benchmark]: CACSL2BoogieTranslator took 631.47 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 924.5 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-01-14 00:54:27,475 INFO L168 Benchmark]: Boogie Preprocessor took 149.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 924.5 MB in the beginning and 1.1 GB in the end (delta: -214.9 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2019-01-14 00:54:27,476 INFO L168 Benchmark]: RCFGBuilder took 1158.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.1 MB). Peak memory consumption was 50.1 MB. Max. memory is 11.5 GB. [2019-01-14 00:54:27,477 INFO L168 Benchmark]: TraceAbstraction took 1622.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. [2019-01-14 00:54:27,480 INFO L168 Benchmark]: Witness Printer took 48.94 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-01-14 00:54:27,489 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 631.47 ms. Allocated memory is still 1.0 GB. Free memory was 951.3 MB in the beginning and 924.5 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 149.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 150.5 MB). Free memory was 924.5 MB in the beginning and 1.1 GB in the end (delta: -214.9 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1158.26 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 50.1 MB). Peak memory consumption was 50.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1622.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 70.7 MB). Peak memory consumption was 70.7 MB. Max. memory is 11.5 GB. * Witness Printer took 48.94 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 626]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L627] int flag = 1; [L628] List a = (List) malloc(sizeof(struct node)); VAL [a={2:0}, flag=1, malloc(sizeof(struct node))={2:0}] [L629] COND FALSE !(a == 0) VAL [a={2:0}, flag=1, malloc(sizeof(struct node))={2:0}] [L630] List t; [L631] List l1; [L632] List l2; [L633] List b; [L634] List u; [L635] List p = a; VAL [a={2:0}, flag=1, malloc(sizeof(struct node))={2:0}, p={2:0}] [L636] COND FALSE !(__VERIFIER_nondet_int()) [L649] p->h = 3 VAL [a={2:0}, flag=1, malloc(sizeof(struct node))={2:0}, p={2:0}] [L650] EXPR a->h VAL [a={2:0}, a->h=3, flag=1, malloc(sizeof(struct node))={2:0}, p={2:0}] [L650] COND TRUE a->h == 3 [L650] return 0; VAL [\result=0, a={2:0}, flag=1, malloc(sizeof(struct node))={2:0}, p={2:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 84 locations, 29 error locations. UNSAFE Result, 1.5s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 171 SDtfs, 219 SDslu, 50 SDs, 0 SdLazy, 148 SolverSat, 33 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=83occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 13 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 46 NumberOfCodeBlocks, 46 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 29 ConstructedInterpolants, 0 QuantifiedInterpolants, 881 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...